.pdf_item .pro_pic img, .pdf_info .title{
	transition: all 0.5s ease;
	-webkit-transition: all 0.5s ease;
	-moz-transition: all 0.5s ease;
	-o-transition: all 0.5s ease;
}
/* listPdf */
.listPdf_ul{flex-wrap: wrap;}
.listPdf_ul li{width: calc((100% - 0.36rem) / 2); margin-bottom: 0.4rem;}
.listPdf_ul li:nth-last-child(-n+2){margin-bottom: 0;}
.pdf_item{position: relative; border: 1px solid #e5e5e5;}
.pdf_item .pro_pic{padding-bottom: 59.57%; background: #fff;}
/* .pdf_item .pro_pic::before{position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255, 255, 255, 0.8); transition: all 0.3s ease; opacity: 0; content: ''; z-index: 0;} */
.pdf_item .pro_pic img{opacity: 0; z-index: 0;}

.pdf_info{position: absolute; top: 0; left: 0.2rem; right: 0.2rem; bottom: 0.2rem; display: flex; flex-direction: column; justify-content: space-between;}
.pdf_info .title{color: #333; line-height: 0.24rem; text-align: center; background: url(../img/pdf.png) no-repeat center top/auto 0.6rem; margin-top: 0.5rem; padding: 0.75rem 0.3rem 0;}

.pdf_btn{align-items: center;}
.pdf_btn .btn_down, .pdf_btn .btn_view{width: 0.5rem; height: 0.4rem; display: block; background-position: center; background-repeat: no-repeat; background-size: auto 80%; background-color: #040E27;}
.pdf_btn .btn_down{background-image: url(../img/downLoad.png);}
.pdf_btn .btn_view{background-image: url(../img/eye.png);}

.pdf_btn .btn_down:hover, .pdf_btn .btn_view:hover{background-color: var(--commonColor);}

.pdf_item:hover .title{background-image: url(../img/pdf2.png);}
.pdf_item:hover .pro_pic img{opacity: .2;}
/* .pdf_item:hover .pro_pic::before{opacity: 1;} */

@media only screen and (max-width: 950px) {
	.listPdf_ul li{width: 100%; margin-bottom: 15px;}
.listPdf_ul li:nth-last-child(-n+2){margin-bottom: 15px;}
	.listPdf_ul li:last-child{margin-bottom: 10px;}
	.pdf_info .title{line-height: 24px; background-size: auto 46px; padding-top: 56px;}
	.pdf_btn .btn_down, .pdf_btn .btn_view{width: 40px; height: 32px;}
	
	.pdf_item .pro_pic img{opacity: 1;}
	.pdf_item .pro_pic::before{opacity: 1;}
}